{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951251,-0.308419,0.000000,0.000000,0.115609,-0.356571,0.927088,0.000000,-0.285660,0.881056,0.377012,0.000000,-1822844.668423,5622172.845225,2389676.784891,1],    "boundingVolume": {    "region": [1.884245,0.386517,1.884408,0.386620,0.000000,18.364784]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/12_8714.b3dm"}}}